{"id":180234,"date":"2024-11-09T08:31:18","date_gmt":"2024-11-09T00:31:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/180234\/"},"modified":"2024-11-09T08:31:19","modified_gmt":"2024-11-09T00:31:19","slug":"%e5%95%86%e5%9f%8e%e6%95%b8%e6%93%9a%e5%ba%ab%e5%85%a8%e6%96%b9%e4%bd%8d%e8%a7%a3%e6%9e%90-mysql%e7%af%87-%e5%95%86%e5%9f%8emysql%e6%95%b8%e6%93%9a%e5%ba%ab","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/180234\/","title":{"rendered":"\u5546\u57ce\u6578\u64da\u5eab\u5168\u65b9\u4f4d\u89e3\u6790\u2014\u2014MySQL\u7bc7 (\u5546\u57cemysql\u6578\u64da\u5eab)"},"content":{"rendered":"<h1 id=\"%e5%95%86%e5%9f%8e%e6%95%b8%e6%93%9a%e5%ba%ab%e5%85%a8%e6%96%b9%e4%bd%8d%e8%a7%a3%e6%9e%90-mysql%e7%af%87-%e5%95%86%e5%9f%8emysql%e6%95%b8%e6%93%9a%e5%ba%ab-UxRTvKHMPl\">\u5546\u57ce\u6578\u64da\u5eab\u5168\u65b9\u4f4d\u89e3\u6790\u2014\u2014MySQL\u7bc7 (\u5546\u57cemysql\u6578\u64da\u5eab)<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u96fb\u5b50\u5546\u52d9\u74b0\u5883\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u9078\u64c7\u5c0d\u65bc\u5546\u57ce\u7684\u904b\u884c\u81f3\u95dc\u91cd\u8981\u3002MySQL\u4f5c\u70ba\u4e00\u7a2e\u6d41\u884c\u7684\u958b\u6e90\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u56e0\u5176\u9ad8\u6548\u6027\u3001\u7a69\u5b9a\u6027\u548c\u9748\u6d3b\u6027\u800c\u88ab\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u985e\u5546\u57ce\u7cfb\u7d71\u4e2d\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eMySQL\u5728\u5546\u57ce\u6578\u64da\u5eab\u4e2d\u7684\u61c9\u7528\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u6700\u4f73\u5be6\u8e10\u3002<\/p>\n<h2 id=\"mysql%e7%9a%84%e5%9f%ba%e6%9c%ac%e7%89%b9%e6%80%a7-UxRTvKHMPl\">MySQL\u7684\u57fa\u672c\u7279\u6027<\/h2>\n<p>MySQL\u662f\u4e00\u500b\u57fa\u65bcSQL\uff08\u7d50\u69cb\u5316\u67e5\u8a62\u8a9e\u8a00\uff09\u7684\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5177\u6709\u4ee5\u4e0b\u5e7e\u500b\u57fa\u672c\u7279\u6027\uff1a<\/p>\n<ul>\n<li><strong>\u958b\u6e90\u6027\uff1a<\/strong>MySQL\u662f\u514d\u8cbb\u7684\uff0c\u4e26\u4e14\u64c1\u6709\u6d3b\u8e8d\u7684\u793e\u5340\u652f\u6301\u3002<\/li>\n<li><strong>\u9ad8\u6548\u6027\uff1a<\/strong>MySQL\u80fd\u5920\u8655\u7406\u5927\u91cf\u6578\u64da\uff0c\u4e26\u4e14\u5728\u67e5\u8a62\u901f\u5ea6\u4e0a\u8868\u73fe\u512a\u7570\u3002<\/li>\n<li><strong>\u53ef\u64f4\u5c55\u6027\uff1a<\/strong>\u96a8\u8457\u696d\u52d9\u7684\u589e\u9577\uff0cMySQL\u53ef\u4ee5\u8f15\u9b06\u64f4\u5c55\u4ee5\u6eff\u8db3\u9700\u6c42\u3002<\/li>\n<li><strong>\u5b89\u5168\u6027\uff1a<\/strong>MySQL\u63d0\u4f9b\u591a\u7a2e\u5b89\u5168\u6a5f\u5236\uff0c\u5305\u62ec\u7528\u6236\u6b0a\u9650\u7ba1\u7406\u548c\u6578\u64da\u52a0\u5bc6\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%95%86%e5%9f%8e%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a8%ad%e8%a8%88-UxRTvKHMPl\">\u5546\u57ce\u6578\u64da\u5eab\u8a2d\u8a08<\/h2>\n<p>\u5728\u8a2d\u8a08\u5546\u57ce\u7684MySQL\u6578\u64da\u5eab\u6642\uff0c\u9700\u8981\u8003\u616e\u591a\u500b\u65b9\u9762\uff0c\u5305\u62ec\u6578\u64da\u7684\u7d50\u69cb\u3001\u95dc\u806f\u6027\u4ee5\u53ca\u67e5\u8a62\u6548\u7387\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u95dc\u9375\u7684\u6578\u64da\u8868\u8a2d\u8a08\u793a\u4f8b\uff1a<\/p>\n<h3 id=\"1-%e7%94%a2%e5%93%81%e8%a1%a8-products-UxRTvKHMPl\">1. \u7522\u54c1\u8868 (products)<\/h3>\n<pre><code>\nCREATE TABLE products (\n    product_id INT AUTO_INCREMENT PRIMARY KEY,\n    name VARCHAR(255) NOT NULL,\n    description TEXT,\n    price DECIMAL(10, 2) NOT NULL,\n    stock INT NOT NULL,\n    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP\n);\n<\/code><\/pre>\n<p>\u7522\u54c1\u8868\u7528\u65bc\u5b58\u5132\u5546\u57ce\u4e2d\u7684\u6240\u6709\u7522\u54c1\u4fe1\u606f\uff0c\u5305\u62ec\u7522\u54c1\u540d\u7a31\u3001\u63cf\u8ff0\u3001\u50f9\u683c\u548c\u5eab\u5b58\u91cf\u3002<\/p>\n<h3 id=\"2-%e7%94%a8%e6%88%b6%e8%a1%a8-users-UxRTvKHMPl\">2. \u7528\u6236\u8868 (users)<\/h3>\n<pre><code>\nCREATE TABLE users (\n    user_id INT AUTO_INCREMENT PRIMARY KEY,\n    username VARCHAR(50) NOT NULL UNIQUE,\n    password VARCHAR(255) NOT NULL,\n    email VARCHAR(100) NOT NULL UNIQUE,\n    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP\n);\n<\/code><\/pre>\n<p>\u7528\u6236\u8868\u7528\u65bc\u5b58\u5132\u8a3b\u518a\u7528\u6236\u7684\u57fa\u672c\u4fe1\u606f\uff0c\u5305\u62ec\u7528\u6236\u540d\u3001\u5bc6\u78bc\u548c\u96fb\u5b50\u90f5\u4ef6\u5730\u5740\u3002<\/p>\n<h3 id=\"3-%e8%a8%82%e5%96%ae%e8%a1%a8-orders-UxRTvKHMPl\">3. \u8a02\u55ae\u8868 (orders)<\/h3>\n<pre><code>\nCREATE TABLE orders (\n    order_id INT AUTO_INCREMENT PRIMARY KEY,\n    user_id INT NOT NULL,\n    order_date TIMESTAMP DEFAULT CURRENT_TIMESTAMP,\n    total DECIMAL(10, 2) NOT NULL,\n    FOREIGN KEY (user_id) REFERENCES users(user_id)\n);\n<\/code><\/pre>\n<p>\u8a02\u55ae\u8868\u7528\u65bc\u8a18\u9304\u7528\u6236\u7684\u8a02\u55ae\u4fe1\u606f\uff0c\u5305\u62ec\u8a02\u55ae\u65e5\u671f\u548c\u7e3d\u91d1\u984d\uff0c\u4e26\u4e14\u8207\u7528\u6236\u8868\u5efa\u7acb\u5916\u9375\u95dc\u806f\u3002<\/p>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e5%84%aa%e5%8c%96%e6%8a%80%e5%b7%a7-UxRTvKHMPl\">\u6578\u64da\u5eab\u512a\u5316\u6280\u5de7<\/h2>\n<p>\u70ba\u4e86\u63d0\u9ad8MySQL\u6578\u64da\u5eab\u7684\u6027\u80fd\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u512a\u5316\u6280\u5de7\uff1a<\/p>\n<ul>\n<li><strong>\u7d22\u5f15\uff1a<\/strong>\u70ba\u5e38\u7528\u7684\u67e5\u8a62\u5b57\u6bb5\u5efa\u7acb\u7d22\u5f15\uff0c\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u901f\u5ea6\u3002<\/li>\n<li><strong>\u67e5\u8a62\u512a\u5316\uff1a<\/strong>\u4f7f\u7528EXPLAIN\u8a9e\u53e5\u5206\u6790\u67e5\u8a62\u8a08\u5283\uff0c\u627e\u51fa\u6027\u80fd\u74f6\u9838\u3002<\/li>\n<li><strong>\u6578\u64da\u5206\u5340\uff1a<\/strong>\u5c0d\u65bc\u5927\u578b\u6578\u64da\u8868\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u6578\u64da\u5206\u5340\u6280\u8853\u4f86\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-UxRTvKHMPl\">\u7d50\u8ad6<\/h2>\n<p>MySQL\u4f5c\u70ba\u4e00\u500b\u5f37\u5927\u7684\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u70ba\u5546\u57ce\u7684\u904b\u884c\u63d0\u4f9b\u4e86\u7a69\u5b9a\u7684\u57fa\u790e\u3002\u901a\u904e\u5408\u7406\u7684\u6578\u64da\u5eab\u8a2d\u8a08\u548c\u512a\u5316\u6280\u5de7\uff0c\u53ef\u4ee5\u6709\u6548\u63d0\u5347\u5546\u57ce\u7684\u6027\u80fd\u548c\u7528\u6236\u9ad4\u9a57\u3002\u5c0d\u65bc\u5e0c\u671b\u5728\u9999\u6e2f\u5e02\u5834\u4e0a\u904b\u71df\u96fb\u5b50\u5546\u52d9\u5e73\u53f0\u7684\u4f01\u696d\uff0c\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\u81f3\u95dc\u91cd\u8981\u3002\u4e86\u89e3MySQL\u7684\u7279\u6027\u548c\u6700\u4f73\u5be6\u8e10\uff0c\u5c07\u6709\u52a9\u65bc\u4f01\u696d\u5728\u7af6\u722d\u6fc0\u70c8\u7684\u5e02\u5834\u4e2d\u812b\u7a4e\u800c\u51fa\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u95dc\u65bc<a 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